Reduce to static_cast any reinterpret_cast from void pointers

Change-Id: Ic03728b2824eb59b9b6351a88ec355bfb93154cb

sal/osl/unx/file.cxx

@@ -1140,7 +1140,7 @@ SAL_CALL osl_mapFile (
              * Pagein, touching first byte of every memory page.
              * Note: volatile disables optimizing the loop away.
              */
-            sal_uInt8 * pData (reinterpret_cast<sal_uInt8*>(*ppAddr));
+            sal_uInt8 * pData (static_cast<sal_uInt8*>(*ppAddr));
             size_t      nSize (nLength);
 
             volatile sal_uInt8 c = 0;

sal/rtl/math.cxx

@@ -419,7 +419,7 @@ inline void doubleToString(StringT ** pResult,
           : nDigits + nDecPlaces ) + 10 + (pGroups ? abs(nDigits) * 2 : 0);
     if ( nBuf > nBufMax )
     {
-        pBuf = reinterpret_cast< typename T::Char * >(
+        pBuf = static_cast< typename T::Char * >(
             rtl_allocateMemory(nBuf * sizeof (typename T::Char)));
         OSL_ENSURE(pBuf != 0, "Out of memory");
     }